This is a sample project and none of the stacks are connected to an Event block. Go to See Inside and view the Costumes and coding area for each sprite. -Transparent Cat shows the sprite's Centre. -Lightning shows the different looks with the Centre point in the middle and at the bottom.
-Crystal sprite shows Centre point at the bottom, Set Size block to make it bigger & Change Colour block. -Arrow sprite shows the importance of where the STAMP block is placed in the stack. -Made Up Sprite uses Paint Editor & Tools for unique sprite